org.simantics.g3d.vtk/src/org/simantics/g3d/vtk/swt/FocusAction.java

   1 package org.simantics.g3d.vtk.swt;
   2
   3 import java.util.Collection;
   4
   5 import org.eclipse.jface.action.Action;
   6 import org.simantics.g3d.vtk.Activator;
   7 import org.simantics.g3d.vtk.common.VtkView;
   8
   9 import vtk.vtkProp;
  10 import vtk.vtkProp3D;
  11
  12 public class FocusAction extends Action {
  13
  14     VtkView view;
  15     vtkCameraAndSelectorAction cameraAndSelectorAction;
  16         Collection<vtkProp> props;
  17
  18         public FocusAction(VtkView view, vtkCameraAndSelectorAction cameraAndSelectorAction) {
  19                 super("Focus");
  20                 setImageDescriptor(Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/eye.png"));
  21                 this.view = view;
  22                 this.cameraAndSelectorAction = cameraAndSelectorAction;
  23         }
  24
  25         public void setProps(Collection<vtkProp> props) {
  26                 this.props = props;
  27         }
  28
  29         @Override
  30         public void run() {
  31                 view.getThreadQueue().asyncExec(new Runnable() {
  32
  33                         @Override
  34                         public void run() {
  35                                 int count = 0;
  36                                 double loc[] = new double[] {0,0,0};
  37                                 for (vtkProp prop : props) {
  38                                         if (prop instanceof vtkProp3D) {
  39                                                 vtkProp3D prop3d = (vtkProp3D)prop;
  40                                                 double l[] = prop3d.GetCenter();
  41                                                 for (int i = 0; i < 3; i++)
  42                                                         loc[i] = loc[i] + l[i];
  43                                                 count++;
  44                                         }
  45                                 }
  46                                 if (count > 0) {
  47                                         for (int i = 0; i < 3; i++)
  48                                                 loc[i] = loc[i] / count;
  49                                         cameraAndSelectorAction.focus(loc[0],loc[1],loc[2]);
  50                                         view.refresh();
  51                                 }
  52
  53                         }
  54                 });
  55         }
  56 }